*""Aurora"" features a fully enclosed charging case which illuminates your bed room as fantastic lighting. *It is so quite, isolation from noisy sound level. *The vibration massager is 9 ""long including hand grip and 1.4"" at its effective point. *""Aurora"" features dual digitally-controlled motors with 10 various vibration modes. *""Aurora"" uses high capacity rechargeable li-ion battery. *All materials are body safe, including phthalate-free medical-grade silicone and PC-ABS.